Switching system



May 9, 1944,

F. E. HANSON ETAL SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 1 PWER 7' ERM/NAT /ON .SELECT/N6 MEANS /NVE'NTORS FE. HANSON 'By RKSM/TH J. H. SUL ZER A 7' TORNEY May 9, 1944.

F. E. HANSON ETAL swITCHING SYSTEM Fi'led April 29, 1942 FIGA? 66 Sheets-Sheet 2 T0 STOPMAGNL'T NORMAL ADVANC/NG GRND. FROM START CCT :il-mausi.: pmol/7 c/Rcu/r ATrEAWSM CT'ION RELAY /NVE/VTORS.' FEHANSON R. KSM/TH BV JHSULZE'R ATTORNEY May 9, 1944. F. EJHANSON ETAL 2,348,680

SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 5 UNIT A UNIT D J. H. SULZER ATTORNEY May 9, 1944. F. E. HANsoN ETAL 27,348,680

SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 4 CHAIN .SIGNAL RILAr 49 F/G. 7 gfrowmw mnoucualsnnrmns SLOW /NTRRUPTED GRUUND CHAIN T0 POINT N APPARATUS UNM/P TES T RN/fRA/RAIDSF IYDYH BBYCCTOYA HANSON /NVENTORS K. SMITH @y H 504 zE/a AT TORNEV May 9, 1944. F. E. HANsoN ErAL SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 7 F. H. HANSON /NVENTOSS R. K. SMITH lll A7' TORNEV May-9, 1944. F. E. HANsoN ETAL swmcmNG SYSTEM Filed April 29, 1942 66 Shee'cs-Shee'rI 8 EEHANSON /NVENTORSI RKSM/ TH J.H.$ULZE`R l i., l l

ATTORNEY May 9, 1944. F. E. HANsoN. ETAL SWITCHING SYSTEM Filed April 29,` 1942 66 Sheets-Sheet 9 E ...um

May 9, 1944. F. E. HANsoN ETAL 2,348,680

SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 10 Ps H /40 AT TORNEV May 9, 1944. F. E. HANSON ETAL. 2,348,680

SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 1l FEHANSON /NVEN7URSI RKSM/ 7'H BP, J.H.$ULZER l i l Arron/ver May 9, 1944., F. E. HANsoN ETAL SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 12 ATTORNEY May 9, 1944. F. vE. HANsoN ETAL 2,348,680

SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 13 Q Y `I l E S Q5 lL B E l g s L Il D# l.: III

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A TTOR/VEV May 9, 1944. F. E. HANsoN ETAL. 2,348,680

SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 14 o/sPLAr /NVEA/mns.-

A 7' TORNEV May 9, 1944. F. E. HANsoN x-:rAL 2,348,680

SWITCHING SYSTEM Filed April 29, 1942 se sheets-sheet 15 /A/VENTORS.' EE. HANSON @y A. K. SMITH J H. SUL ZER Arrow/5y May 9, 1944. F. E. HANsoN ETAL 2,348,680

SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 16 TENS F IG. 2/

By RKSM/Th' JHSULZER AT TOR/VE? May 9, 1944. F. E. HANsoN ETAL SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 17 NN .l

EEHANS INI/ENTORS.' R. KSM/ T J.H.$ULZER A 7` TORNE Y May 9, 1944. F. E. HANsoN ETAL SWITCHING SYSTEM Filed April 29, 1942 66 Sheets-Sheet 18 EE. RK. y J.H.$ULZER /N VE' N TORS ATTQRNEV May 9, 1944.

PIP/MARI: SUB-GROUP 8 HQ/HARV .Sl/qt- GROUP 9 Filed April 29, 1942 66 Sheets-Sheet 19 F 'in luumlm;

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ATTORNEY May 9 1944. F. E. HANSQN HAL 2,348,680

SWITCHING SYSTEM Filed April 29. 1942 66 Sheets-Sheet 2O L rml I ATTOHNEV 

